condition mean min max Sterile Leaflet 0.24322600000000003 0.0 0.729678 Fertile Leaflet with Sori 0.0 0.0 0.0 Primary Rachis 0.0 0.0 0.0 Petiole 0.0 0.0 0.0 Crozier 4.67966 2.75883 6.4415 Rhizome 0.10375866666666667 0.0 0.311276 Root 0.0 0.0 0.0